form1.vb

Mastering VBNet Include Source Code

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    Friend WithEvents ListBox1 As System.Windows.Forms.ListBox
    Friend WithEvents Button1 As System.Windows.Forms.Button

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.Container

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ListBox1 = New System.Windows.Forms.ListBox()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'ListBox1
        '
        Me.ListBox1.Font = New System.Drawing.Font("Verdana", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(161, Byte))
        Me.ListBox1.ItemHeight = 16
        Me.ListBox1.Location = New System.Drawing.Point(16, 8)
        Me.ListBox1.Name = "ListBox1"
        Me.ListBox1.Size = New System.Drawing.Size(296, 228)
        Me.ListBox1.TabIndex = 0
        '
        'Button1
        '
        Me.Button1.Font = New System.Drawing.Font("Verdana", 11.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(161, Byte))
        Me.Button1.Location = New System.Drawing.Point(40, 256)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(240, 32)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "Create and Sort Array"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(320, 301)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.ListBox1})
        Me.Name = "Form1"
        Me.Text = "Sort Array By Length"
        Me.ResumeLayout(False)

    End Sub

#End Region


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim MyStrings(3) As String      ' this array holds the strings to be sorted according to their length
        Dim MyStringsLen(3) As Integer  ' this array holds the lenghts of the strings

        MyStrings(0) = "Visual Basic"
        MyStrings(1) = "C++"
        MyStrings(2) = "C#"
        MyStrings(3) = "HTML"
        Dim i As Integer
        For i = 0 To UBound(MyStrings)
            MyStringsLen(i) = Len(MyStrings(i))
        Next
        ListBox1.Items.Clear()
        ListBox1.Items.Add("Original Array")
        ListBox1.Items.Add("*************************")
        Dim str As Integer
        For str = 0 To UBound(MyStrings)
            ListBox1.Items.Add(MyStrings(str) & "   (" & MyStringsLen(str).ToString & ")")
        Next
        ListBox1.Items.Add("*************************")
        ListBox1.Items.Add("Array Sorted According to String Length ")
        ListBox1.Items.Add("*************************")
        System.Array.Sort(MyStringsLen, MyStrings)
        For str = 0 To UBound(MyStrings)
            ListBox1.Items.Add(MyStrings(str) & "   (" & MyStringsLen(str).ToString & ")")
        Next
        ListBox1.Items.Add("*************************")
        '   Sort the array twice
        ListBox1.Items.Add("Array Sorted Twice According to String Length ")
        ListBox1.Items.Add("*************************")
        System.Array.Sort(MyStringsLen, MyStrings)
        For str = 0 To UBound(MyStrings)
            ListBox1.Items.Add(MyStrings(str) & "   (" & MyStringsLen(str).ToString & ")")
        Next
        ListBox1.Items.Add("*************************")
    End Sub
End Class